Shûichirô Moriyama
as Porco Rosso (voice)
Tokiko Katô
as Madame Gina (voice)
Bunshi Katsura
as Mr. Piccolo (voice)
Tsunehiko Kamijô
as Mamma Aiuto Boss (voice)
Akemi Okamura
as Fio Piccolo (voice)
Akio Ôtsuka
as Donald Curtis (voice)
Hiroko Seki
as Grandma (voice)